The draft only specifies a Diffie-Hellman-based KEM (Section 4.1). To set expectations for the implementer, we recommend stating this limitation in the abstract, e.g., by adding "based on elliptic curve Diffie-Hellman key agreement" at the end of the last sentence of the abstract.
From https://mailarchive.ietf.org/arch/msg/cfrg/ZcTCJkilzCDshxsIj7MwKHNlNuM/
The draft only specifies a Diffie-Hellman-based KEM (Section 4.1). To set expectations for the implementer, we recommend stating this limitation in the abstract, e.g., by adding "based on elliptic curve Diffie-Hellman key agreement" at the end of the last sentence of the abstract.